“The question is unanswerable because its truth can't be tested.”
“The truth is that in our lives we are all going to encounter questions that should be answered, that deserve to be answered, and yet prove unanswerable.”
“Can a mortal ask questions which God finds unanswerable? Quite easily, I should think. All nonsense questions are unanswerable.”
“Undoubtedly we have no questions to ask which are unanswerable.”
“Perhaps depression is caused by asking oneself too many unanswerable questions.”
“To learn which questions are unanswerable, and not to answer them: this skill is most needful in times of stress and darkness.”